Junior Science Light Quiz
Junior Science light quiz, physics, NZ
- 1.Tick all the TRUE statements
- A.
The moon does not emit light
- B.
The sun reflects light
- C.
Stars emit light
- D.
Humans do not emit visible light
- 2.Which one describes WAVELENGTH?
- A.
The distance a light ray travels each second
- B.
The distance between the crest of a wave and the trough (lowest point)
- C.
The distance between Earth and the sun
- D.
The distance between two crests right next to each other in a wave
- 3.Which is the definition of light?
- A.
The movement of air particles hitting your eardrum
- B.
A force that all objects with mass have
- C.
A type of energy (electromagnetic) that we can detect with our retina
- D.
What all matter is made up of
- 4.Humans can see all wavelengths of light
- A.
True
- B.
False
- 5.Which is TRUE?
- A.
Light with a shorter wavelength has MORE energy than longer wavelengths
- B.
Light with a shorter wavelength has LESS energy than longer wavelengths
- 6.The colours of the rainbow are red, orange, yellow, green, blue, ___________ and violet.
- 7.What colour will a BLUE dress look under RED light?
- A.
White
- B.
Black
- C.
Red
- D.
Blue
- 8.What colour will a green dress look under blue lights?
- A.
Blue
- B.
White
- C.
Green
- D.
Grey
- 9.Which one will REFLECT ALL the light that hits it?
- A.
A mirror
- B.
The sun
- C.
Stars
- D.
A red dress
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